Car Parts & Maintenance

A:

Common causes of uneven brake pad wear include driving with warped rotors, a clogged brake line or leaky calipers. Vehicles that are heavier in the front than in the rear can wear brake pads unevenly due to an uneven distribution of weight. Debris in the breaking system, such as rocks or other foreign objects, wears brake pads down unevenly as well.

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  • How do you get scratches out of chrome?

    Q: How do you get scratches out of chrome?

    A: Removing scratches from a chrome surface entails applying polish to an extremely fine steel wool pad, then sanding the scratch from the surface. Use red jewelers rouge or a chrome polish for this project, as well as a soft cloth or #000 steel wool pad. Use this process only for light scratches on the surface of the chrome.
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  • Why does a car idle rough?

    Q: Why does a car idle rough?

    A: There are a variety of problems that can cause a car's idle to be rough. A rough idle is usually defined by the car idling below its normal speed, loping RPMs, a skipping sound or in a way that causes the car to shake. Idle problems can often be a clue to something more serious going on, so it is best for car owners to get them checked out.
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  • What is a car chassis?

    Q: What is a car chassis?

    A: A car chassis may refer to either the frame of a car that holds together its components or to a rolling chassis. A rolling chassis consists of the frame, engine and drivetrain. That is, it includes almost all components except the body. Most modern automobiles are not built with a rolling chassis, as unibody construction is more common.
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  • Where is the fuel filter located on a car?

    Q: Where is the fuel filter located on a car?

    A: Though its exact position on each vehicle may vary, the fuel filter is generally located between the fuel pump and fuel tank. Its function is to remove impurities from gasoline being pulled into engine, keeping the fuel injectors clean.
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  • What is a home remedy for a windshield crack?

    Q: What is a home remedy for a windshield crack?

    A: The only home remedy for repairing a small windshield crack or chip is to use a windshield crack repair kit, which can be purchased at an auto parts store or any large discount store. If not repaired in a timely manner, the windshield crack will likely worsen.
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  • Why does my car hesitate when I accelerate?

    Q: Why does my car hesitate when I accelerate?

    A: If an engine stalls upon acceleration, one likely cause is a dirty fuel filter. Not replacing the filter according to the manufacturer's recommendation allows debris from fuel to build up and plug it. This causes the car to operate on a lean fuel supply and render it unable to meet the demand of pressing the accelerator pedal, according to Carsut.
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  • What is a cowl on a car?

    Q: What is a cowl on a car?

    A: A car's cowl is the front part of the automobile's frame that supports the rear of the hood, windshield, dashboard, pedals and instrument panel. The cowl separates the passenger compartment from the engine.
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  • How do you check your vehicle's oil pressure?

    Q: How do you check your vehicle's oil pressure?

    A: Checking the oil pressure of a car using mechanical gauges requires removing the oil pressure sending unit and attaching the gauges, according to Mark Gittelman for YouFixCars.com. Such gauges provide a more accurate reading than the gauge on the car's instrument panel.
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  • How do you get scratches out of a car windshield?

    Q: How do you get scratches out of a car windshield?

    A: Small scratches on a windshield can be removed by the following these steps: determining the type of the scratch, purchasing the right glass repair kit, cleaning and applying a rubbing compound to the windshield and allowing the compound to dry. While this procedure is applicable to oxidation marks and small scratches, major scratches on a windshield should be handled by a professional to ensure that further damage does not occur.
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  • What kind of metals are cars made from?

    Q: What kind of metals are cars made from?

    A: Most of the metal used to make cars is steel, which is an alloy of iron and carbon, explains HowStuffWorks. Aluminum is the second-most used metal in the automobile industry. Although there are other metals used, such as copper, platinum, palladium, rhodium, tin, lead and a few others, steel accounts for more than half of a car's weight, according to The World Steel Association.
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  • What makes a car start and then die immediately?

    Q: What makes a car start and then die immediately?

    A: A car that starts up initially but dies immediately thereafter is experiencing a problem with either its carburetor or fuel injection system. The culprit depends on the year, make and model of the vehicle in question. Carburetors are easy to fix, while fuel injection issues cost a large sum to diagnose and repair.
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  • What is the difference in coolant vs. antifreeze?

    Q: What is the difference in coolant vs. antifreeze?

    A: Antifreeze and coolant are essentially the same thing. The Automobile Association (U.K.) uses the terms interchangeably or together (coolant/antifreeze). Antifreeze is colloquial for the chemical fluid ethylene glycol. Ethylene glycol and distilled water, in equal proportions, are added to radiators to cool automobile engines in summer and prevent freezing in winter.
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  • How will bigger tires affect my speedometer?

    Q: How will bigger tires affect my speedometer?

    A: Bigger tires will cause your speedometer to register a speed that is slower than your actual speed. For example, if your speedometer says 35 miles per hour on 20-inch diameter tires, changing to 23-inch diameter tires will make your true speed 40.25 mph, even though your speedometer will still show 35 mph.
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  • What is a reluctor ring?

    Q: What is a reluctor ring?

    A: A reluctor ring is a notched circle used in the anti-lock brake system (ABS) and the ignition system of cars. The anti-lock brake reluctor rings are located on each wheel. The distributor-less ignition, or direct-ignition, reluctor ring is mounted on the crankshaft that triggers the magnetic sensor. The ignition reluctor ring combines evenly and unevenly spaced notches that send information to the electronic control module in order to control ignition timing.
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  • Are antifreeze fumes harmful?

    Q: Are antifreeze fumes harmful?

    A: Ethylene glycol, the primary ingredient in common antifreeze, is harmful if inhaled. Inhaling antifreeze fumes causes dizziness in some individuals. At high concentrations, ethylene glycol is toxic. Breathing the vapors also causes headaches, lower back pain and eye irritation.
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  • Why does a car backfire?

    Q: Why does a car backfire?

    A: Cars backfire for several reasons, including air and fuel mixing due to leaking hoses or other mechanical problems. Faulty spark plugs or wires can cause a car to backfire. It can also occur when shifting to a lower gear in a car with high horsepower.
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  • Why is it that my car starts but won't stay running?

    Q: Why is it that my car starts but won't stay running?

    A: Depending on whether the engine is hot or cold, there are a couple different reasons why a car might start with no problem but stall shortly afterwards. If the problem only happens when the engine is cold, a bad electric sensor is likely to blame. If the car stalls even when the engine is warm, the cause is likely a faulty electric fuel pump.
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  • How many catalytic converters does a car have?

    Q: How many catalytic converters does a car have?

    A: The majority of cars have one catalytic converter. However, this is dependent on the number of exhaust pipes the vehicle has. Generally, each car has one catalytic converter per exhaust tube; if a vehicle has a dual exhaust system, it has two catalytic converters.
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  • How do you get smog certification for a car?

    Q: How do you get smog certification for a car?

    A: Smog certifications for a car can be obtained by taking the car to a service station authorized to run an emissions test and grant a certification. These stations are typically found by checking with the department of motor vehicles for the state. Smog inspections are also often required when a vehicle changes ownership.
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  • How do you know if you need to jump a car battery or replace it?

    Q: How do you know if you need to jump a car battery or replace it?

    A: The best way to know when to replace an automobile battery is to have it tested at an automotive repair shop or auto parts store. This process should be a part of the routine maintenance of the vehicle at every oil change, according to HowStuffWorks. If the vehicle requires jump starting, it is best to drive to a shop that offers battery testing and have technicians check the battery.
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  • How do you fix a leaking gas tank?

    Q: How do you fix a leaking gas tank?

    A: To repair a leak in the fuel tank of a vehicle, drain the fuel from the tank, and seal the hole with a gas tank repair epoxy. Repairs typically require about an hour to complete, but the epoxy should be allowed to dry according to the instructions before filling the tank with fuel.
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